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5XWY

Electron cryo-microscopy structure of LbuCas13a-crRNA binary complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0003723molecular_functionRNA binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0016787molecular_functionhydrolase activity
A0051607biological_processdefense response to virus
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues10
DetailsRegion: {"description":"Binds crRNA repeat and spacer","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues52
DetailsRegion: {"description":"Binds crRNA repeat","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues189
DetailsRegion: {"description":"Helical-1","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues23
DetailsRegion: {"description":"Binds crRNA processing site","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues147
DetailsRegion: {"description":"HEPN-like fold 1-I","evidences":[{"source":"PubMed","id":"26593719","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues242
DetailsRegion: {"description":"Helical-2","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues10
DetailsRegion: {"description":"Binds target RNA","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues31
DetailsRegion: {"description":"Binds crRNA spacer","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues61
DetailsRegion: {"description":"HEPN-like fold 1-II","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues6
DetailsRegion: {"description":"Binds crRNA spacer and target RNA","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues132
DetailsRegion: {"description":"Linker","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues3
DetailsRegion: {"description":"Binds 3'-end of target RNA, in adjacent protein","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues66
DetailsCoiled coil: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues4
DetailsActive site: {"description":"For target RNA cleavage","evidences":[{"source":"PubMed","id":"27669025","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues4
DetailsSite: {"description":"Binds target RNA","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues2
DetailsSite: {"description":"Binds crRNA repeat","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues1
DetailsSite: {"description":"Binds 3'-end of target RNA, in adjacent protein","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues3
DetailsSite: {"description":"Binds crRNA spacer","evidences":[{"source":"PubMed","id":"28757251","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

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PDB entries from 2026-01-21

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